Home / 749,080.08-1,123,731.99-275,729.45

Finding the Fourth Proportional to 749,080.08, 1,123,731.99 and 275,729.45

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Solution

The fourth proportional to 749,080.08, 1,123,731.99 and 275,729.45 is: 413,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,080.08 : 1,123,731.99 = 275,729.45 : x
  2. Step 2: Convert to fraction form
    749,080.08/1,123,731.99 = 275,729.45/x
  3. Step 3: Cross multiply
    749,080.08x = 1,123,731.99 × 275,729.45
  4. Step 4: Simplify right side
    749,080.08x = 309,845,997,931.45
  5. Step 5: Solve for x
    x = 309,845,997,931.45/749,080.08
  6. Step 6: Final answer
    x = 413,635.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.